Home / 863,323.54-1,294,764.42-255,969.84

Finding the Fourth Proportional to 863,323.54, 1,294,764.42 and 255,969.84

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Solution

The fourth proportional to 863,323.54, 1,294,764.42 and 255,969.84 is: 383,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,323.54 : 1,294,764.42 = 255,969.84 : x
  2. Step 2: Convert to fraction form
    863,323.54/1,294,764.42 = 255,969.84/x
  3. Step 3: Cross multiply
    863,323.54x = 1,294,764.42 × 255,969.84
  4. Step 4: Simplify right side
    863,323.54x = 331,420,641,425.09
  5. Step 5: Solve for x
    x = 331,420,641,425.09/863,323.54
  6. Step 6: Final answer
    x = 383,889.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.